minor code cleanup

src/bnetz/dialer.c

@@ -69,7 +69,6 @@ wave_rec_t wave_tx_rec;
 
 /* dummy functions */
 int num_kanal = 1; /* only one channel used for debugging */
-void display_status_limit_scroll() {}
 void *get_sender_by_empfangsfrequenz() { return NULL; }
 void display_measurements_add() {}
 void display_measurements_update() {}